Package Instance

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{
    "url": "http://public2.vulnerablecode.io/api/packages/58179?format=api",
    "purl": "pkg:npm/jwt-simple@0.5.3",
    "type": "npm",
    "namespace": "",
    "name": "jwt-simple",
    "version": "0.5.3",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": false,
    "next_non_vulnerable_version": "0.3.1",
    "latest_non_vulnerable_version": "0.5.3",
    "affected_by_vulnerabilities": [],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/41063?format=api",
            "vulnerability_id": "VCID-mtzj-rqrc-syas",
            "summary": "Signature Verification Bypass in jwt-simple\nVersions of `jwt-simple` prior to 0.5.3 are vulnerable to Signature Verification Bypass. If no algorithm is specified in the `decode()` function, the packages uses the algorithm in the JWT to decode tokens. This allows an attacker to create a HS256 (symmetric algorithm) JWT with the server's public key as secret, and the package will verify it as HS256 instead of RS256 (asymmetric algorithm).\n\n\n## Recommendation\n\nUpgrade to version 0.5.3 or later.",
            "references": [
                {
                    "reference_url": "https://github.com/hokaccha/node-jwt-simple/commit/ead36e1d687645da9c3be8befdaaef622ea33106",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/hokaccha/node-jwt-simple/commit/ead36e1d687645da9c3be8befdaaef622ea33106"
                },
                {
                    "reference_url": "https://www.npmjs.com/advisories/831",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://www.npmjs.com/advisories/831"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-8v5f-hp78-jgxq",
                    "reference_id": "GHSA-8v5f-hp78-jgxq",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/advisories/GHSA-8v5f-hp78-jgxq"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/58179?format=api",
                    "purl": "pkg:npm/jwt-simple@0.5.3",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/jwt-simple@0.5.3"
                }
            ],
            "aliases": [
                "GHSA-8v5f-hp78-jgxq",
                "GMS-2019-129"
            ],
            "risk_score": null,
            "exploitability": null,
            "weighted_severity": null,
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-mtzj-rqrc-syas"
        }
    ],
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/jwt-simple@0.5.3"
}